HomeScience & Education'It's our moonshot': Why scientists are drilling into volcanos

‘It’s our moonshot’: Why scientists are drilling into volcanos

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Scientists are working on the Krafla Magma Testbed (KMT) project in Iceland, aiming to drill into the magma chamber of the Krafla volcano to harness geothermal energy. This ambitious project has garnered international attention and is expected to transform the field of geothermal energy.

Overview of Drilling into Volcanoes for Geothermal Energy

The Krafla Magma Testbed (KMT) project aims to drill into the magma chamber of the Krafla volcano in Iceland, with a goal of advancing understanding and harnessing the geothermal energy potential.

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Background

Iceland is one of the world’s most volcanically active places, with 33 active volcano systems. The country has an estimated 800 million people living within 100km of hazardous active volcanoes worldwide. Most recently, a wave of eight eruptions in the Reykanes peninsula damaged infrastructure and upended lives.

Project Goals

The KMT project plans to drill two boreholes, one for scientific research and another for developing a test-bed for new geothermal power stations. The team hopes their work will help save lives and money by improving eruption forecasting and tapping into volcano power.

Technical Challenges

Drilling into the magma chamber poses technical challenges due to extreme temperatures and corrosive gases. Researchers are exploring new materials, such as high-grade nickel alloys and titanium alloys, to withstand these conditions. Engineers must also develop new drilling tech to work around volcanoes safely.

Geothermal Energy Potential

Geothermal energy is a promising source of low-carbon power. The KMT project aims to tap into the magma chamber’s heat, which could produce five to 10 times more power than standard geothermal wells. Private companies and research teams worldwide are working on advanced and ultra-deep geothermal projects, with temperatures exceeding 400°C at depths of 5-15km.

International Interest

The KMT project has garnered international attention from the geothermal community, with experts hailing it as a “moonshot” that could transform the field. While technically challenging and costly to initiate, researchers believe it’s possible to overcome these hurdles and unlock the potential for super-hot rock geothermal energy.

Quotes

  • “It’s our moonshot. It’s going to transform a lot of things,” says Yan Lavallée, a professor of magmatic petrology and volcanology at the Ludwigs-Maximillian University in Munich.

  • “I think the whole geothermal world are watching the KMT project,” says Prof Archer. “It is potentially quite transformative.”

  • “We have to explore new materials and more corrosion resistant alloys,” says Sigrun Nanna Karlsdottir, a professor of industrial and mechanical engineering at the University of Iceland.

Statistics

  • Around 800 million people live within 100km of hazardous active volcanoes worldwide.

  • There are over 600 geothermal power plants found worldwide, with hundreds more planned.

  • The KMT project aims to drill two boreholes, one for scientific research and another for testing a new generation of geothermal power stations.

SOURCES
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